Know Your Environment. Protect Your Health.

Dibromochloromethane

Quantico, Town Of

Dibromochloromethane, one of the total trihalomethanes (TTHMs), is formed when chlorine or other disinfectants are used to treat drinking water. Dibromochloromethane and other disinfection byproducts increase the risk of cancer and may cause problems during pregnancy. Click here to read more about disinfection byproducts.

 

20

Samples

0

Samples exceeding legal limit (MCL)

6

Samples exceeding
health guidelines

Testing results - average by year

 
YearAverage resultSamples takenDetectionsRange of results
2018ND200ND
20190.848 ppb42ND - 1.73 ppb
2020ND40ND
20210.453 ppb42ND - 0.910 ppb
20220.175 ppb41ND - 0.700 ppb
20230.150 ppb41ND - 0.600 ppb

ppb = parts per billion

State, National, and Health Guidelines for Drinking Water

EWG Health Guideline: 0.1 ppb

The EWG Health Guideline of 0.1 ppb for dibromochloromethane was based on the California Office of Environmental Health Hazard Assessment's public health goal, the level of a drinking water contaminant that does not pose a significant health risk. This health guideline protects against cancer and harm to fetal growth and development.

ppb = parts per billion

All test results

Date Lab ID Result
2019-02-279C01077-01ND
2019-05-249E29136-011.66 ppb
2019-08-209H22103-011.73 ppb
2019-11-27E191102121ND
2020-02-26E200201960ND
2020-05-202005210835ND
2020-08-280I01129-01ND
2020-11-240L01081-01ND
2021-02-231B25159-01ND
2021-05-26E2103035040.900 ppb
2021-08-271H31224-010.910 ppb
2021-11-241K30081 TTHMND
2022-02-25E220200028ND
2022-05-24E220307747ND
2022-08-23E2207036920.700 ppb
2022-12-20E221200011ND
2023-02-24E230103381ND
2023-05-25E230500263ND
2023-09-18E2308042960.600 ppb
2023-11-30E231002917ND